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参数资料
| 型号： | TL431AILP |
| 厂商： | VISHAY SEMICONDUCTORS |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PBCY3 |
| 封装： | TO-92, 3 PIN |
| 文件页数： | 5/10页 |
| 文件大小： | 105K |
| 代理商： | TL431AILP |
T2
T
TEMPERATURE
1
VMAX
MIN
VDEV = VMAX
MIN
-V
V
The average temperature coefficient of the reference
input voltage,
αVREF is defined as:
T1
T2
10
6
C)
25
(at
V
T1
T2
10
6
C)
25
(at
V
-
V
C
ppm
V
REF
DEV
REF
MIN
MAX
REF
°
±
=
°
±
=
°
α
––
Where:
T2 – T1 = full temperature change.
The slope can be positive or negative depending on
whether VMAX or VMIN occurs at the lower ambient
temperature.
Example:
VREF = 9.0mV, VREF = 2495mV,
T2 - T1 = 70
°C, slope is positive.
C
50ppm/
αVREF =
C
70
10
6
2495mV
9.0mV
°
=
°
Note 2. The dynamic output impedance, RZ , is
defined as:
When the device is programmed with two external
resistors, R1 and R2, (see Fig. 2), the dynamic output
impedance of the overall circuit, is defined as:
Z
VZ
R =
Z
I
R2
R1
1
≈ Rz
Iz
Vz
z
r
+
=
Note 1. Deviation of reference input voltage,
VREF,
is defined as the maximum variation of the reference
input voltage over the full temperature range.
VREF
IREF
IZ
VZ
IL
IN
R2
R1
VREF
IREF
IZ
VZ
IN
IL
Note: VZ=VREF(1+R1/R2)+IREFxR1
IN
VZ
IZ(OFF)
fff
C
Fig. 1 Test Circuit for VZ=VREF
Fig. 2 Test Circuit for VZ>VREF
Fig. 3 Test Circuit for
off-state current
GS431B/TL431A/TL431
Vishay
formerly General Semiconductor
www.vishay.com
Document Number 74806
4
1-Jul-02
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TL431AILP | 制造商:Texas Instruments 功能描述:SHUNT REG ADJ +2.5/36V TO-92 制造商:Texas Instruments 功能描述:SHUNT REG ADJ +2.5/36V, TO-92 制造商:Texas Instruments 功能描述:SHUNT REG ADJ +2.5/36V, TO-92; Topology:Shunt, Adjustable; Input Voltage Min:2.495V; Input Voltage Max:36V; Reference Voltage:2.495V; Reference Voltage Tolerance:25mV; Voltage Reference Case Style:TO-92; No. of Pins:3; Temperature ;RoHS Compliant: Yes 制造商:Texas Instruments 功能描述:SHUNT REG ADJ +2.5/36V, TO-92; Topology:Shunt, Adjustable; Input Voltage:2.495V to 36V; Reference Voltage:2.495V; Reference Voltage Tolerance:25mV; Voltage Reference Case Style:TO-92; No. of Pins:3; Temperature Coefficient:34ppm/C; ;RoHS Compliant: Yes |
| TL431AILPE3 | 功能描述:基准电压& 基准电流 Adj Shunt RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| TL431AILPG | 功能描述:基准电压& 基准电流 2.5-36V ADJ 1-100mA RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| TL431AILPM | 功能描述:基准电压& 基准电流 Adjustable Precision Shunt Regulator RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| TL431AILPME3 | 功能描述:基准电压& 基准电流 Adjustable Precision Shunt Regulator RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
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